var win=window;
function OpenWin(url){
if ((win == window) || win.closed) {
win=window.open(url,"Wexplanation","width=650,height=620,scrollbars=yes,resizable=yes");
} else {
win.location.replace(url);
win.focus();
}
}

function OpenWinWHS(url,w,h,sc){
if ((win == window) || win.closed) {
settings ='width='+w+',height='+h+',scrollbars='+sc+',resizable=yes';
win=window.open(url,"Wexplanation",settings);
} else {
win.location.replace(url);
win.focus();
}
}

function postOpenWindow(objForm,strAction,strTarget) {
  objForm.action = strAction;
  objForm.target = strTarget;
  objForm.method = "post";
  objForm.submit();
  return false;
}